SOLUTION: The total cost, $c, of manufacturing n units of biscuit boxes is given by the formula c =an+b, where a and b are constants. When 200 units of biscuit boxes are manufactured, the to

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Question 205518: The total cost, $c, of manufacturing n units of biscuit boxes is given by the formula c =an+b, where a and b are constants. When 200 units of biscuit boxes are manufactured, the total cost is $ 55000 and when 500 units of biscuit boxes are manufactured, the total cost is $62500. Find
a)the value of a and b
b) the total cost of producing (i) 420 units (ii) 1250 units of biscuit boxes
Answer by Targetweek(62) About Me  (Show Source):
You can put this solution on YOUR website!
A)
Solved by pluggable solver: Linear System solver (using determinant)
Solve:


Any system of equations:


has solution

or



(x=25, y=50000}

B)i)420%2A25+%2B+50000+=+60500
ii)1250%2A25+%2B+50000+=+81250